8 DIAGNOSTIC TOOLS AND ACCESSORIES 573
Figure 554 Checking power to a load device
To check for voltage to a load device, connect the
positive meter lead to the input connection of the
device (positive side) and connect the negative meter
lead to a good vehicle ground.
Figure 555 Checking power to a connector
Voltage to a device can also be measured by
disconnecting the harness connector and using
the correct tool in the Terminal Test Adapter Kit.
EGES-270-1
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.